Gotthilf b afee



(No Model.)

- G. BAUER.

SLIDE GAGE.

N0. 474,111. Patented May 3, 1892."

FFICE.

GOTTHILF BAUER, OF ESSLINGEN, GERMANY.

SLIDE-GAGE.

SPECIFICATION forming part of Letters Patent No. 474,111, dated May 3, 1892. Application filed December 30, 1891. Serial No. 416,540. (No model.)

To all whom it may concern.-

Be it known that I, GOTTHILF BAUER, a citizen of the Kingdom of "Wiirtemberg, residing at Esslingen, in WViirtemberg, Germany, have invented a new and useful Improvement in Slide-Gages, of which the following is a specifieation.

The present invention consists in a device for gages which permits a ready adjustment of the movable or shifting jaw, but at the same time also serves to automatically lock the latter on the gage-stock after the adjustment has been completed.

In the accompanying drawings, Figure 1 represents a side elevation of a slide-gage embodying my invention; Fig. 2, a bottom plan View, and Fig. 3 an enlarged detailview thereof in longitudinal section.

To attain the object of my invention the slide B must readily slide on the stock a of the gage A and at the same time be tightly clamped on the same. Inasmuch as the two gage-jaws a and b must always be absolutely parallel, the slide B, which must have some play to enable it to be shifted, should not be pressed unequally against the stock a. Iff represents the slide-spring, the locking of the slide B is accomplished by automatically pressing this spring f at its middle against the stock a. Manifestly any one of a great number of devices involving the use of a spring, a wedge, a cam, or the like may be employed for this purpose. However, I consider the device involving the use of a lever, preferably arranged substantially parallel to the stock, as herein shown, the most preferable. In this device the short arm 0 of the lever O is pressed against the lug f on the middle of spring f by a spring d, located below and bearing 011 the end of the long arm 0. The lever O is pivoted at c in a mortise in the slide B, as indicated, the horizontal lengths of the two lever-arms being indicated at Z Z The pressure exerted on the spring f is equal to the power of the spring (Z multiplied by the ratio of 1 divided by 1. and is hence very great, while only a slight pressure upon the lever-arm o suffices to reduce the spring f and permit the slide B to be readily adjusted.

In order to immediately relieve the pressure upon the slide-spring f on slightly moving the lever O, the face of the lug f, against which the arm 0 impinges, is somewhat beveled or oblique, as shown.

For conveniently adjusting the slide-gage the lower portion Z) Z) of the slideB is broadened in any suitable manner, so that when the slide is grasped with the thumb and forefinger the adjustment may be readily effected with one hand. Obviously, instead of the slide-spring f the opposite part of the slide may be pressed against the stock.

What I claim, and desire to secure by Letters Patent, is-

1. The con1bination,with a stock of aslide,

a spring held within the slide and bearingagainst the stock, and a lever whose shorter arm is adapted to yieldingly bear against the center of the spring.

2. The combination, with a stock of a slide, a spring held Within the slide and bearing against the stock and having a lug, as f, a lever pivoted in the slide, and a spring, as d, for bearing against the outer arm of thelever.

In testimony whereof I have signed this specification in the presence of two subscribing witnesses.

GOTTHILF BAUER.

Witnesses:

AUGUST B. DRANTZ, CARL DUSSMANNTZ. 

